<%= "auth-client-id=#{ @auth_client_id }" if @auth_client_id %>
<%= "auth-redirect-uri=#{ @auth_redirect_uri }" if @auth_redirect_uri %>
<%= "auth-client-secret=#{ @auth_client_secret }" if @auth_client_secret %>
<%= "auth-secret=#{ @auth_secret }" if @auth_secret %>
